221618880

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{10993}}^1$

素因数の和:11023

約数の個数: 168

約数和(自身を含む): 871252512

約数和(自身を除く): 649633632

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 10993, 20160, 21986, 32979, 43972, 54965, 65958, 76951, 87944, 98937, 109930, 131916, 153902, 164895, 175888, 197874, 219860, 230853, 263832, 307804, 329790, 351776, 384755, 395748, 439720, 461706, 494685, 527664, 615608, 659580, 692559, 703552, 769510, 791496, 879440, 923412, 989370, 1055328, 1154265, 1231216, 1319160, 1385118, 1539020, 1582992, 1758880, 1846824, 1978740, 2110656, 2308530, 2462432, 2638320, 2770236, 3078040, 3165984, 3462795, 3517760, 3693648, 3957480, 4617060, 4924864, 5276640, 5540472, 6156080, 6331968, 6925590, 7387296, 7914960, 9234120, 10553280, 11080944, 12312160, 13851180, 14774592, 15829920, 18468240, 22161888, 24624320, 27702360, 31659840, 36936480, 44323776, 55404720, 73872960, 110809440, 221618880]

約数ペア:

[(1, 221618880), (2, 110809440), (3, 73872960), (4, 55404720), (5, 44323776), (6, 36936480), (7, 31659840), (8, 27702360), (9, 24624320), (10, 22161888), (12, 18468240), (14, 15829920), (15, 14774592), (16, 13851180), (18, 12312160), (20, 11080944), (21, 10553280), (24, 9234120), (28, 7914960), (30, 7387296), (32, 6925590), (35, 6331968), (36, 6156080), (40, 5540472), (42, 5276640), (45, 4924864), (48, 4617060), (56, 3957480), (60, 3693648), (63, 3517760), (64, 3462795), (70, 3165984), (72, 3078040), (80, 2770236), (84, 2638320), (90, 2462432), (96, 2308530), (105, 2110656), (112, 1978740), (120, 1846824), (126, 1758880), (140, 1582992), (144, 1539020), (160, 1385118), (168, 1319160), (180, 1231216), (192, 1154265), (210, 1055328), (224, 989370), (240, 923412), (252, 879440), (280, 791496), (288, 769510), (315, 703552), (320, 692559), (336, 659580), (360, 615608), (420, 527664), (448, 494685), (480, 461706), (504, 439720), (560, 395748), (576, 384755), (630, 351776), (672, 329790), (720, 307804), (840, 263832), (960, 230853), (1008, 219860), (1120, 197874), (1260, 175888), (1344, 164895), (1440, 153902), (1680, 131916), (2016, 109930), (2240, 98937), (2520, 87944), (2880, 76951), (3360, 65958), (4032, 54965), (5040, 43972), (6720, 32979), (10080, 21986), (10993, 20160)]